Author: Frank E. Oldham
Date: 16:42:45 03/23/05
Go up one level in this thread
On March 23, 2005 at 09:56:43, Tom Brake wrote:
>[D]k3rr2/ppp1nqbp/3pp1b1/PP2p3/NNP1Pp1Q/3P1P2/5BPP/RR2K3 w - - 0 1
>
>Bxa7! Apparently not too easy to find for silicon, even in such a contrived
>position.
>
crafty 19.19 on a dual 2GHz G5
10-> 2.63 -0.95 1. b6 c5 2. bxa7 Bf6 3. Nb6+ Kxa7 4.
Qh3 cxb4 5. Nc8+ Ka8 6. Nxd6 Qg8 7.
Nxe8 Rxe8 8. Rxb4
11 6.54 -0.80 1. b6 cxb6 2. axb6 a6 3. c5 Bf6 4.
Qh3 Rd8 5. c6 Nxc6 6. Nxc6 bxc6 7.
Ra3
11 18.44 +1 1. Bxa7!!
11 20.64 -0.42 1. Bxa7 Kxa7 2. Qf2+ Kb8 3. Na6+ Kc8
4. Qa7 Kd8 5. Qxb7 Nc8 6. b6 cxb6 7.
Qxf7 Rxf7 8. axb6
11-> 21.01 -0.42 1. Bxa7 Kxa7 2. Qf2+ Kb8 3. Na6+ Kc8
4. Qa7 Kd8 5. Qxb7 Nc8 6. b6 cxb6 7.
Qxf7 Rxf7 8. axb6 (s=2)
12 26.41 -0.42 1. Bxa7 Kxa7 2. Qf2+ Kb8 3. Na6+ Kc8
4. Qa7 Kd8 5. Qxb7 Nc8 6. b6 cxb6 7.
Qxf7 Rxf7 8. axb6
12-> 28.60 -0.42 1. Bxa7 Kxa7 2. Qf2+ Kb8 3. Na6+ Kc8
4. Qa7 Kd8 5. Qxb7 Nc8 6. b6 cxb6 7.
Qxf7 Rxf7 8. axb6
13 1:00 +1 1. Bxa7!!
13 1:13 0.01 1. Bxa7 Kxa7 2. Qf2+ Kb8 3. Na6+ Kc8
4. Qa7 bxa6 5. Nb6+ cxb6 6. Qa8+ Kd7
7. Qa7+ Kc8
13-> 1:16 0.01 1. Bxa7 Kxa7 2. Qf2+ Kb8 3. Na6+ Kc8
4. Qa7 bxa6 5. Nb6+ cxb6 6. Qa8+ Kd7
7. Qa7+ Kc8
14 1:59 0.19 1. Bxa7 Kxa7 2. Qf2+ Kb8 3. Na6+ Kc8
4. Nxc7 Rd8 5. Na6 bxa6 6. Qa7 Nd5
7. Qxa6+ Qb7 8. cxd5 Qxa6 9. bxa6 Bf7
10. Rb7 exd5 11. exd5
14-> 2:31 0.19 1. Bxa7 Kxa7 2. Qf2+ Kb8 3. Na6+ Kc8
4. Nxc7 Rd8 5. Na6 bxa6 6. Qa7 Nd5
7. Qxa6+ Qb7 8. cxd5 Qxa6 9. bxa6 Bf7
10. Rb7 exd5 11. exd5 (s=2)
15 7:43 +1 1. Bxa7!!
15 20:41 +3 1. Bxa7!!
15 29:10 1.70 1. Bxa7 Kxa7 2. Qf2+ Kb8 3. a6 Bxe4
4. Nc6+ bxc6 5. bxc6+ Kc8 6. a7 Bxc6
7. Nb6+ cxb6 8. a8=Q+ Bxa8 9. Qxb6
Rd8 10. Rxa8+ Kd7 11. Ra7+ Ke8 12.
Qb5+ Nc6 13. Rxf7 Kxf7 14. Qxc6
15-> 29:24 1.70 1. Bxa7 Kxa7 2. Qf2+ Kb8 3. a6 Bxe4
4. Nc6+ bxc6 5. bxc6+ Kc8 6. a7 Bxc6
7. Nb6+ cxb6 8. a8=Q+ Bxa8 9. Qxb6
Rd8 10. Rxa8+ Kd7 11. Ra7+ Ke8 12.
Qb5+ Nc6 13. Rxf7 Kxf7 14. Qxc6
16 31:00 1/43* 1. Bxa7
White(1): ?
time=31:06 cpu=395% mat=0 n=4449406975 fh=89% nps=2.38M
ext-> chk=177127441 cap=18657577 pp=18232895 1rep=23245703
mate=1379551
predicted=0 nodes=4449406975 evals=1704676935 50move=0
endgame tablebase-> probes=0 hits=0
SMP-> split=2621 stop=388 data=10/64 cpu=123:04 elap=31:06
Frank
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